27342407 has 2 divisors, whose sum is σ = 27342408. Its totient is φ = 27342406.

The previous prime is 27342379. The next prime is 27342431. The reversal of 27342407 is 70424372.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27342407 - 2⁸ = 27342151 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27342407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27345407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13671203 + 13671204.

It is an arithmetic number, because the mean of its divisors is an integer number (13671204).

Almost surely, 2^27342407 is an apocalyptic number.

27342407 is a deficient number, since it is larger than the sum of its proper divisors (1).

27342407 is an equidigital number, since it uses as much as digits as its factorization.

27342407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9408, while the sum is 29.

The square root of 27342407 is about 5228.9967488994. The cubic root of 27342407 is about 301.2628506424.

Adding to 27342407 its reverse (70424372), we get a palindrome (97766779).

The spelling of 27342407 in words is "twenty-seven million, three hundred forty-two thousand, four hundred seven".